43040022 has 32 divisors (see below), whose sum is σ = 91432800. Its totient is φ = 13459968.

The previous prime is 43040021. The next prime is 43040027. The reversal of 43040022 is 22004034.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43039983 and 43040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51504 + ... + 52332.

It is an arithmetic number, because the mean of its divisors is an integer number (2857275).

Almost surely, 2^43040022 is an apocalyptic number.

43040022 is an abundant number, since it is smaller than the sum of its proper divisors (48392778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43040022 is a wasteful number, since it uses less digits than its factorization.

43040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 43040022 is about 6560.4894634471. The cubic root of 43040022 is about 350.4484645804.

Adding to 43040022 its reverse (22004034), we get a palindrome (65044056).

The spelling of 43040022 in words is "forty-three million, forty thousand, twenty-two".